21806162

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{281}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 39308544

約数和(自身を除く): 17502382

約数列:

[1, 2, 7, 14, 23, 46, 161, 241, 281, 322, 482, 562, 1687, 1967, 3374, 3934, 5543, 6463, 11086, 12926, 38801, 45241, 67721, 77602, 90482, 135442, 474047, 948094, 1557583, 3115166, 10903081, 21806162]

約数ペア:

[(1, 21806162), (2, 10903081), (7, 3115166), (14, 1557583), (23, 948094), (46, 474047), (161, 135442), (241, 90482), (281, 77602), (322, 67721), (482, 45241), (562, 38801), (1687, 12926), (1967, 11086), (3374, 6463), (3934, 5543)]